Simulated ice crystal formation on substrates
US6214424A · kind A · utility
6Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1999 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Mar 24, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for producing an article having a three-dimensional optical effect comprising a transparent substrate provided with a translucent simulated ice crystal formation having a controlled amount of fern-like patterns along with articles produced by this process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.